Portable audio speaker system



FIG. 1 is a front, right side perspective view of a portable audio speaker system, embodying our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, showing a (covered) audio ingress port;

FIG. 4 is a right side elevation view thereof, showing a (covered) Universal Serial Bus (“USB”) port;

FIG. 5 is a top plan view thereof, showing a number of control buttons; and,

FIG. 6 is a bottom plan view thereof. 

CLAIM The ornamental design for a portable audio speaker system, as shown and described. 